Erysivena notodytika, Symonds & Cassis, 2018

Symonds, Celia L. & Cassis, Gerasimos, 2018, Systematics And Analysis Of The Radiation Of Orthotylini Plant Bugs Associated With Callitroid Conifers In Australia: Description Of Five New Genera And 32 New Species (Heteroptera: Miridae: Orthotylinae), Bulletin of the American Museum of Natural History 2018 (422), pp. 1-229 : 188-191

Erysivena notodytika , new species

Figures 4B–D , 14 , 67 , 74 ; map 5

DIAGNOSIS: Defined by the following characters: midsized; head strongly expanded anteriorly; eyes medium; labium extending to metacoxae; cuneus tip with slight hint of red, forewing membrane veins red; pygophore with one left lateral tergal process, subovate with entire margin serrate; left paramere moderately expanded, with broad, angular sensory lobe, apophysis elongate with unhooked apex; right paramere C-shaped, medial flange broad, weakly expanded, strongly curved apex, entire margin serrate from apex to medial flange; phallotheca compressed far right of midline at apex; aedeagus with complex PES and DES1 spicules; PES with short, straplike basal process; DES2 unbranched, with three distinct basomedial spines on ventral surface; DES1 expanded basally, basal processes attached opposite, bifurcate in distal third with distal branches of equal length; female laIRL elongate, tapering distally, with small spiniferous basal lobe; mIRL two-thirds height of laIRL, strongly curved inward and pointed distally.

DESCRIPTION: Male: Midsize, elongate, total length 3.91–4.08 mm, pronotal width 1.08–1.16 mm. COLORATION: Dorsum yellow-green, faded; cuneus tip with very slight hint of red; forewing membrane light gray-brown with darker patches laterally and in major cell, membrane veins red with color extending slightly onto surrounding membrane (fig. 14). VESTITURE: Dorsum with moderately dense distribution of medium to dark brown simple setae. STRUC-

TURE: Head: Strongly expanded anteriorly; eyes midsize, extending slightly beyond anterolateral angle of pronotum; antennae with AI 0.9× vertex width, AII 1.1× pronotal width; labium medium length, extending to metacoxae. Hemelytra: Cuneus and major cell of membrane moderately elongate, major membrane vein round (fig. 14).

GENITALIA: Pygophore: Dorsal margin of genital opening strongly concave; one left lateral tergal process, subrectangular with entire serrate margin (fig. 67A); far right lateral tergal lobe absent; ventral margin of genital opening straight with round cup-shaped phalloguide, sclerotized at base of right paramere articulation. Left paramere: Moderately expanded medially; sensory lobe broad, outer margin angular; apophysis greatly elongate, inner margin smooth; apex curved inward slightly, not hooked (fig. 67B). Right paramere: C-shaped, medial flange on dorsal margin as broad, weakly expanded edge; apex strongly curved; medial flange (distally) and apex serrate, without smooth subapical shaft, serrations continuous along margin to apex; outer lateral surface with simple setae (fig. 67C). Phallotheca: Dorsal opening large; round distally; compressed to far right of ventral midline; RHS dorsal margin without lobe (fig. 67D). Aedeagus: Spicule arrangement (fig. 67): PES left ventrolateral and almost entirely wrapped sheathlike around secondary gonopore, DES2 dorsal to secondary gonopore and PES, DES1 left dorsolateral to DES2, PES and DES2 joined by membrane sheath on right side of secondary gonopore, base of all spicules originating proximal to base of secondary gonopore; PES complex, acutely constricted above base, short, straplike subbasal process present, short basal process on base before constriction point present, processes subequal length; DES2 unbranched, weakly curved and twisted distally, medial threadlike process absent, three baso-medial spines present; DES1 complex, base expanded, basal processes attached opposite (i.e., next to each other at same height up spicule), bifurcates in distal third with branches narrow and equal length, basal keel (DESk) elongate (not illustrated) (fig. 67A).

Female: Very slightly shorter than male, body length 3.79–3.96 mm, pronotal width 1.08–1.20 mm. GENITALIA: IRS posterior margin medially convex. Interramal lobes (fig. 74): mIRL entirely separate from laIRL; laIRL curved inward and slightly tapered distally, base spiniferous, with small lobe; mIRL half height of laIRL, tapered and curved inward distally, distal half serrate.

ETYMOLOGY: This species name reflects the distribution of the species in the southwestern corner of Western Australia, from the Greek notos (“south”) and dytikos (“western”).

HOST PLANTS: Known from Callitris preissii (Perth) and Callitris tuberculata (Hellfire Bay) (table 2).

HOLOTYPE: AUSTRALIA: Western Australia: Mosman Park, Perth, trail b/w Minum Cove Park and Chidley Point Reserve , 32.01573 ° S 115.7626 ° E, 15 m, 01 Aug 2005 – 03 Aug 2005, G. Cassis, Callitris preissii , det. WA Herbarium PERTH 07620101, 1♂ ( AMNH _ PBI 00005477 ) ( WAMP).

PARATYPES: AUSTRALIA: Western Australia: Hellfire Bay, Cape Le Grande National Park, 34.00398 ° S 122.1696 ° E, 30 m, 24 Nov 1999, R.T. Schuh, G. Cassis, and R. Silveira, Callitris tuberculata , det. WA Herbarium PERTH 05670896, 10♂ ( AMNH _PBI 00016411–00016419, 00016424), 12♀ ( AMNH _PBI 00016425– 00016436) ( AM), 14♂ ( AMNH _PBI 00000199, 00000201–00000204, 00000210–00000212, 00000214, 00000222, 00000226, 00000227, 00000228, 00000230,), 14♀ ( AMNH _PBI 00000200, 00000205, 00000206, 00000209, 00000213, 00000215, 00000218, 00000219, 00000220, 00000221, 00000223–00000225, 00000229) ( AMNH), 8♂ ( AMNH _PBI 00000207, 00000208, 00000216, 00000217, 00016420–00016423), 8♀ ( AMNH _PBI 00016437–00016444) ( WAMP). Mosman Park, Perth, 32 ° S 115.75 ° E, 30 m, 05 Dec 2004, G. Cassis, Callitris preissii , 7♂ ( AMNH _PBI 00016400- AMNH _PBI 00016406), 3♀ ( AMNH _PBI 0001640700016420–00016423, 00016409) ( AM). Mosman Park, Perth, trail b/w Minum Cove Park and Chidley Point Reserve, 32.01573 ° S 115.7626 ° E, 15 m, 01 Aug 2005 – 03 Aug 2005, G. Cassis, Callitris preissii , det. WA Herbarium PERTH 07620101, 3♂ ( AMNH _PBI 00005479– 00005481), 1♀ ( AMNH _PBI 00005486) ( AM), 1♂ ( AMNH _PBI 00005483), 1♀ ( AMNH _PBI 00005487) ( UNSW), 1♂ ( AMNH _PBI 00005478), 1♀ ( AMNH _PBI 00005485) ( WAMP).

OTHER SPECIMENS EXAMINED: AUSTRA- LIA: Western Australia: Hellfire Bay, Cape Le Grande National Park, 34.00398 ° S 122.1696 ° E, 30 m, 24 Nov 1999, R.T. Schuh, G. Cassis, and R. Silveira, Callitris tuberculata , det. WA Herbarium PERTH 05670896, 1♂ (AMNH_PBI 00016410), 5 juv. (AMNH_PBI 00016445– 00016449) (AM).

DISTRIBUTION: Known from two localities in coastal southwestern Western Australia, in Perth and Hellfire Bay, Cape Le Grande National Park (map 5), in the Southwest Botanical Zone. Collected with Ngullamiris whadjuk at Mosman Park, a suburb of Perth (table 2).

REMARKS: Erysivena notodytika is most closely related to E. drepanomorpha , with

which it shares two synapomorphic characters: the unique sickle shape of the left lateral tergal process on the dorsal margin of the pygophore and the complex shape of the DES1 spicule bifurcate and with two basal processes (figs. 67E, 53G).

Erysivena notodytika is readily distinguished from E. drepanomorpha by the following characters of the male and female genitalia (cf. figs. 67, 53, 74): more round and less angular shape of the left tergal process and the absence of a right lateral tergal lobe on the pygophore (fig. 67A); the left paramere with a slightly more angular sensory lobe, with the resting position inside the pygophore, and not extending over the ventral margin (fig. 67B); the right paramere serrated entirely from apex to the medial flange (fig. 67C); DES2 has a row of submedial spines (fig. 67E); DES1 is broad at the base and distally bifurcate (fig. 67E) (rather than medially bifurcate in E. drepanomorpha , fig. 53G); and the larger inwardly curving and apically pointed mIRL and presence of a small basal lobe on the laIRL. The laIRL is also more elongate and tapering distally (fig. 74).

Figures

FIG. 4. A. Erysivena sydneyensis, male, ex. Terrey Hills, New South Wales. B., C., D., Erysivena notodytika, ex. Mosman Park, Perth, Western Australia: B, C. Adult male. D. Nymph. Scale bars = 1 mm.

FIG. 14. Erysivena species, dorsal habitus photographs of males. Scale bar = 1 mm.

FIG. 67. Male genitalia of Erysivena notodytika. A. Pygophore, dorsal. B. Left paramere, dorsal. C. Right paramere, dorsal. D. Phallotheca, right lateral. E. Aedeagus, right lateral. Scale bars = 0.1 mm.

FIG. 74. Erysivena female genitalia: right interramal lobes of species, posterior wall of E. schuhi, dorsal. Scale bar = 0.1 mm.